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Moduli Stabilization in Brane Gas Cosmology with Superpotentials

Aaron Berndsen·Tirthabir Biswas·James M. Cline
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Abstract

In the context of brane gas cosmology in superstring theory, we show why it is impossible to simultaneously stabilize the dilaton and the radion with a general gas of strings (including massless modes) and D-branes. Although this requires invoking a different mechanism to stabilize these moduli fields, we find that the brane gas can still play a crucial role in the early universe in assisting moduli stabilization. We show that a modest energy density of specific types of brane gas can solve the overshoot problem that typically afflicts potentials arising from gaugino condensation.

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Aaron Berndsen, Tirthabir Biswas, James M. Cline. 2005-07-22. Moduli Stabilization in Brane Gas Cosmology with Superpotentials. https://doi.org/10.1088/1475-7516%2F2005%2F08%2F012

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